[llvm] [NFC][RISCV] Keep AVLReg define instr inside VSETVLInfo (PR #89180)

[Luke Lau via llvm-commits]

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@@ -1504,8 +1518,8 @@ static bool canMutatePriorConfig(const MachineInstr &PrevMI,
     if (Used.VLZeroness) {
       if (isVLPreservingConfig(PrevMI))
         return false;
-      if (!getInfoForVSETVLI(PrevMI).hasEquallyZeroAVL(getInfoForVSETVLI(MI),
-                                                       MRI))
+      if (!getInfoForVSETVLI(PrevMI, MRI)
+               .hasEquallyZeroAVL(getInfoForVSETVLI(MI, MRI), MRI))
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lukel97 wrote:

Once we store the def inside VSETVLIInfo, can we remove MRI from hasEquallyZeroAVL and isCompatible?

https://github.com/llvm/llvm-project/pull/89180